Digit size is 3 times larger than old fashioned mechanical type counter. Counts up or down from 99,999. Large, easy to read digits. Operates silently or with audible beep confirmation. Preset a value, select down and view how many remain. Lock function protects the current reading which is entered. Break-away Safety Lanyard helps prevent accidents, promotes safe use. Comes ready to use with LR44 battery. One year warranty.